#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
typedef vector<int> vi;
typedef vector<vi> vvi;
int main() {
int n, q;
cin >> n >> q;
vi a(n + 1);
for (int i = 1; i <= n; i++) cin >> a[i];
while (q--) {
int type;
cin >> type;
if (type == 1) {
int i, x;
cin >> i >> x;
a[i] = x;
continue;
}
int l, r;
cin >> l >> r;
int ans = 0;
for (int i = 1; i <= r - l + 1; i++) {
for (int j = l; j + i - 1 <= r; j++) {
for (int k = j; k < j + i; k++) {
ans ^= a[k];
}
}
}
cout << ans << '\n';
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
2 ms |
204 KB |
Output is correct |
3 |
Correct |
2 ms |
204 KB |
Output is correct |
4 |
Correct |
6 ms |
204 KB |
Output is correct |
5 |
Correct |
6 ms |
204 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
680 ms |
204 KB |
Output is correct |
2 |
Correct |
560 ms |
204 KB |
Output is correct |
3 |
Correct |
731 ms |
204 KB |
Output is correct |
4 |
Execution timed out |
1075 ms |
204 KB |
Time limit exceeded |
5 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
2 ms |
204 KB |
Output is correct |
3 |
Correct |
2 ms |
204 KB |
Output is correct |
4 |
Correct |
6 ms |
204 KB |
Output is correct |
5 |
Correct |
6 ms |
204 KB |
Output is correct |
6 |
Correct |
680 ms |
204 KB |
Output is correct |
7 |
Correct |
560 ms |
204 KB |
Output is correct |
8 |
Correct |
731 ms |
204 KB |
Output is correct |
9 |
Execution timed out |
1075 ms |
204 KB |
Time limit exceeded |
10 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
1070 ms |
3096 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
2 ms |
204 KB |
Output is correct |
3 |
Correct |
2 ms |
204 KB |
Output is correct |
4 |
Correct |
6 ms |
204 KB |
Output is correct |
5 |
Correct |
6 ms |
204 KB |
Output is correct |
6 |
Correct |
680 ms |
204 KB |
Output is correct |
7 |
Correct |
560 ms |
204 KB |
Output is correct |
8 |
Correct |
731 ms |
204 KB |
Output is correct |
9 |
Execution timed out |
1075 ms |
204 KB |
Time limit exceeded |
10 |
Halted |
0 ms |
0 KB |
- |